Seat arm



FIG. 1 is a left front perspective view of a seat arm showing my newdesign;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a left front perspective view, showing optional woven surfacetreatment as an environmental element on the top surface thereof.

The views of the seat arm not shown form no part of the claimed design.The broken lines depicting cross members, joint wraps and optional wovensurface treatment represent environmental elements only and form no partof the claimed design.

The ornamental design for a seat arm, as shown and described.